Product description Turn your portable drill into a drill press and get theaccuracy you need at a job site! The guide attaches directly to a 3/8′ drillchuck, and allows you to drill larger pieces you can’t fit on your stationarypress. Pre-drilled holes allow you to attach a base or mount it to a table.Features: Turns your portable drill into a portable drill press Sets up inseconds for hand-held drilling of accurate holes Attaches directly to a 3/8’drill chuck Allows you to drill larger pieces you can’t fit on your stationarypress Pre-drilled holes allow you to attach a base or mount it to a tableMaximum 6000 RPM The Wolfcraft Drill Guide can be used inhorizontal, vertical or angle positions, and fits all 1/4-inch or 3/8-inchdrills. The Guide-bars themselves have springs for a quick return when doingrepetitive drilling, while drill adapter itself slides up and down on guide-bars. Angle positions can go up to 45 degrees, and rubber pads in the basehold the guide in place while drilling. The guide also includes spring loadeddepth stops. See all Product description